Use of social adaptability index to explain self-care and diabetes outcomes

Jennifer A. Campbell, Rebekah J. Walker, Brittany L. Smalls, Leonard E. Egede

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Background: To examine whether the social adaptability index (SAI) alone or components of the index provide a better explanatory model for self-care and diabetes outcomes. Methods: Six hundred fifteen patients were recruited from two primary care settings. A series of multiple linear regression models were run to assess (1) associations between the SAI and diabetes self-care/outcomes, and (2) associations between individual SAI indicator variables and diabetes self-care/outcomes. Separate models were run for each self-care behavior and outcome. Two models were run for each dependent variable to compare associations with the SAI and components of the index. Results: The SAI has a significant association with the mental component of quality of life (0.23, p < 0.01). In adjusted analyses, the SAI score did not have a significant association with any of the self-care behaviors. Individual components from the index had significant associations between self-care and multiple SAI indicator variables. Significant associations also exist between outcomes and the individual SAI indicators for education and employment. Conclusions: In this population, the SAI has low explanatory power and few significant associations with diabetes self-care/outcomes. While the use of a composite index to predict outcomes within a diabetes population would have high utility, particularly for clinical settings, this SAI lacks statistical and clinical significance in a representative diabetes population. Based on these results, the index does not provide a good model fit and masks the relationship of individual components to diabetes self-care and outcomes. These findings suggest that five items alone are not adequate to explain or predict outcomes for patients with type 2 diabetes.

Original languageEnglish
Article number34
JournalBMC Endocrine Disorders
Issue number1
StatePublished - Jun 20 2017

Bibliographical note

Funding Information:
This study was supported by the National Institute of Diabetes and Digestive and Kidney Diseases (Grant K24DK093699, Principal Investigator: Leonard Egede, MD).

Publisher Copyright:
© 2017 The Author(s).


  • Diabetes
  • Glycemic control
  • Self-care
  • Social Adaptability Index

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism


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